News tagged with mantle rock

Rare melt key to 'Ring of Fire'

( -- Oxford University scientists have discovered the explanation for why the world?s explosive volcanoes are confined to bands only a few tens of kilometres wide, such as those along the Pacific 'Ring of Fire'.

dateOct 07, 2010 in Earth Sciences
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Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from a team including ...

dateApr 24, 2013 in Earth Sciences
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